Answer / k.prakashchandra

Single phase tr has two leads and there are at least 3 leads
for 3 phase supply. You can not connect without short
circuiting.

Answer / bala

only singe out will come from secondary of TFR

Answer / muhammad shoaib

single phase transformer will burn out bcz three phase
supply is so much high and use in industries.

i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....

0 Answers  

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A transformer has negative voltage regulation when its load PF is A zero B unity C lagging D leading

1 Answers  

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why dc source used for HV breakers and Relays operation?

2 Answers   Cethar,

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What is hysteresis loss?

1 Answers   PWD, SPML,

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what happens in the primary side of the transformer if transformer is short circuited first and increasing the resistance of the short circuit gradually?

3 Answers   Emerson, IIT,

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What are the different protection systems takes place on control panel board?

7 Answers   BSNL,

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Why we say three phase voltage 440v.

2 Answers   VDP,

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How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

0 Answers  

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why neutral used in three phase motor connection?

3 Answers   BEL,

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what happens when we give supply to the secondary of a transformer ?? for example 415v(pri)/110v(sec)

2 Answers  

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

0 Answers   BSNL,

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why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 Answers   IOCL,

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